New York Media, Rolling Stone Join Expanding Digital Ad Marketplace
Concert will reach nearly 90% of internet users, estimates say

Concert, the ad platform founded by NBC Universal and Vox Media, added new publishers to its marketplace.
Vox Media

Concert, the digital ad marketplace founded by Vox Media and NBCUniversal, is further expanding, adding a number of media organizations that executives say will boost its offerings in its entertainment and women’s lifestyle channels.